Testing the cutting resistance of cut-resistant tungsten wire is a comprehensive evaluation process, which mainly involves quantifying and analyzing the performance of tungsten wire under cutting force. The following is a detailed test process and method:
- Test preparation
Sample preparation:
Select representative cut-resistant tungsten wire samples to ensure that the number of samples is sufficient for multiple tests and statistical analysis.
Perform necessary pretreatment on the samples, such as cleaning and removing surface oil, to ensure the accuracy of the test results.
Equipment preparation:
Prepare a cut-resistant test machine, which should be able to apply a stable cutting force and record relevant data during the cutting process.
Select appropriate cutting tools, such as blades, saw blades, etc., as needed to ensure the sharpness and consistency of the tools.
Standards and methods:
Consult and follow relevant national or industry standards, such as ASTM, ISO and other standards on cut-resistant performance testing.
Develop a detailed test plan, including the setting of parameters such as cutting speed, cutting depth, and cutting angle.
- Test process
Install the sample:
Install the tungsten wire sample on the test machine in the prescribed manner to ensure that the sample can stably withstand the cutting force during the cutting process.
Apply cutting force:
Start the test machine and apply cutting force to the tungsten wire according to the preset cutting speed, depth and angle.
During the cutting process, pay attention to observe and record key parameters such as the change of cutting force, cutting time and cutting surface quality.
Repeat the test:
Repeat the test on multiple tungsten wire samples of the same batch to improve the reliability and accuracy of the test results.
- Data analysis and evaluation
Cutting force analysis:
Analyze the change curve of the cutting force during the cutting process to evaluate the stability and cutting resistance of the tungsten wire under the action of the cutting force.
The consistency and uniformity of the tungsten wire material can be evaluated by comparing the cutting force differences between different samples.
Cutting time evaluation:
Record and compare the cutting time of different samples under the same cutting conditions to evaluate the cutting efficiency and durability of the tungsten wire.
Cutting surface quality inspection:
Use tools such as microscopes to check the surface quality of the tungsten wire after cutting, including scratch depth, crack conditions, cross-sectional morphology, etc.
The cutting resistance and processing accuracy of tungsten wire are judged by evaluating the cutting surface quality.
Comprehensive evaluation:
Taking into account multiple indicators such as cutting force, cutting time, and cutting surface quality, the cutting resistance of tungsten wire is comprehensively evaluated.
According to the evaluation results, the production process and material formula of tungsten wire can be optimized and improved.
- Precautions
Test environment:
The test should be carried out under suitable environmental conditions to avoid the influence of external factors such as temperature and humidity on the test results.
Equipment calibration:
Ensure that the testing machine and other related equipment are calibrated and verified before use to ensure the accuracy of the test results.
Safe operation:
Strictly abide by the safety operating procedures during the test to prevent personal injury caused by sharp objects such as cutting knives.
Data recording:
Record the various data and observations during the test in detail for subsequent data analysis and evaluation.
Through the above steps and methods, the cutting resistance of cut-resistant tungsten wire can be systematically tested, providing strong support for the research and development, production and quality control of materials.
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